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we can keep our airways clean by the mucus that can trap bacteria and dust and by cilia that sweeps forward and backwards to remove dust outside the body
yes
They keep the lungs clean. They take care of dust and bacteria circulating.
This is because frogs secrete a mucus which help keep their skin moist
Staying in bed isn't actually helping. You should be up and about as much as you're able, as that will help keep your airways clean. Keep active but don't overexert yourself.
keep it clean
To keep it clean and free from dust particles. The cilia beat mucus up to the back of the throat where it is swallowed. Without it the mucus would stick and act as a breaking ground for bacteria and fungus.
Stay out of it and keep it clean.
Drinking lots of liquid does not help get rid of a cold. Drinking lots of water will help prevent dehydration and reduce mucus. Water helps keep mucus thin and easier for your body to get rid of it.
Well one of the answers i know of is that your mucus coats the inside of your stomach preventing your stomach acids from eating through your body.
From my knowledge, I'm pretty sure that the mucus that surrounds a frog's body helps to keep it moist when it is out of the water, seeing as a frog is an amphibious creature.
The hairs on the trachea are called Cilia and are for helping lifting up the mucus up the throat. Smoking can kill these hairs and they will have to swallow the mucus.=D